Patent US3200615A successfully refreshed from Google Patents.
US3200615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing element
Assignee: Borg Warner Corp
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Filing: 1963-08-14
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Granted: 1965-08-17
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Stokely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:11
CPC Classifications
F; F16; F16C; F16C21/00; F16C21/005; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7809; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/385; F16D3/40; F16D3/41; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232; F16C2361/00; F16C2361/41; F16C33/30; F16C33/58; F16C33/60; F16C33/605; F16C33/66; F16C33/6603; F16C33/6622; F16C33/768
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
192 words
IN A UNIVERSAL JOINT HAVING A CYLINDRICAL TRUNNION PORTION WITH THE BASE THEREOF FLARED RADIALLY OUTWARDLY AND HAVIN A CYLINDRICAL BEARING CUP WITH A PLURALITY OF NEEDLE BEARINGS DISPOSED THEREBETWEEN FOR TRANSMISSION OF FORCE, A SEAL ELEMENT DISPOSED BETWEEN SAID BEARING CUP AND SAID TRUNNION PORTION FOR MAINTAING LUBRICANT ABOUT SAID NEEDLE BEARINGS, SAID SEALING ELEMENT COMPRISING AN ANNULAR BODY OF RESILIENT MATERIAL HAVING A FIRST FLANGE EXTENDING RADIALLY INWARDLY THEREOF AND PROVIDED WITH A TAPERED NECK PORTION TERMINATING IN AN ANNULAR LIP ADAPTED TO ENGAGE SAID TRUNNION PORTION, SAID ANNULAR LIP BEING OFFSET ALONG SAID TRUNNION PORTION FROM SAID TAPERED NECK SO THAT PRESSURE OF SAID LUBRICANT ASSISTS IN URGING SAID LIP MORE TIGHTLY AGAINST SAID TRUNNION PORTION, A SECOND ANNULAR FLANGE DEPENDING FROM SAID BODY AND HAVING A ROUNDED NOSE PORTION ADAPTED TO FLEXIBLY ENGAGE SAID BEARING CUP IN A MANNER SO THAT LUBRICANT TENDS TO BLEED PAST SAID SECOND ANNULAR FLANGE WHEN OF A PREDETERMINED VALUE, AND A METAL BACKING RING JOINED TO SAID ANNULAR BODY AND ADAPTED TO SEAL AGAINST SAID BEARING CUP, SAID RING HAVING GROOVES THEREIN PERMITTING SAID LUBRICANT TO COMMUNICATE WITH SAID SECOND ANNULAR FLANGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |